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A student sits at rest on a piano stool that can rotate without friction. The moment of intertia of the student-stool system is 4.1 kg*m^2. A second student tosses a 1.5 kg mass with a speed of 2.7 m/s to the student on the stool, who catches it at a distance of 0.40 m from the axis of rotation. What is the resulting angular speed of the student and the stool?
just as you touch a metal door knob a spark of electricity electrons jumps from your hand to the knob. the electric
What is the acceleration due to gravity g' on the space shuttle in orbit, 200km above the surface of the earth? The gravitational constant is 6.67 x 10^-11 N*m^2/kg^2, the radius of the Earth is 6.4 x 10^6 m, the mass of the Earth is 6 x 10^24 kg, an..
A bizarre baton is created by taking four identical balls, each with mass 0.252 kg, and fixing them as before except that one of the rods has a length of 1.06 m, Calculate the moment of inertia of this baton
a screen is placed 48.0 cm from a single slit that is illuminated with light of wavelength 682 nm. if the distance
Three moles of an ideal monatomic gas expand at a constant pressure of 2.70 ; the volume of the gas changes from 3.40×10?2 to 4.60×10?2 . First calculate the initial temperature of the gas. Second calculate the final temperature of the gas. Thrid ..
The power output of a circuit is given by: P = i^2R = V^2/R = iV, Calculate the power output of each resistive element when a potential of 12 volts is applied
A small car is pushing a larger truck that has a dead battery. The mass of the truck is twice as large as the mass of car. At one instant of time the car and truck both have an acceleration of 3.5 m/s2. Which of the following statements is true? D..
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
Blaise Pascal duplicated Torricelli's barometer using a red Bordeaux wine of density 950 kg/m3 as the working liquid What was the height h of the wine column for normal atmospheric pressure
A 1.98 nF capacitor with an initial charge of 4.55 µC is discharged through a 1.23 k? resistor. What is the maximum current in the resistor
Donovan Bailey set a world record for the 100-m dash on July 27, 1996. find the time that was recorded on Earth
The loop consists of a single turn of flexible conducting wire that is wrapped around a flexible mount such that the dimensions of the rectangle can be changed.
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